Sinonim ditch fern

English Thesaurus

1. large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds (noun.plant)

hypernym	:	flowering fern, osmund,
definition	:	any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters (noun.plant)